== sanity test 101b: check stride-io mode read-ahead =========================================================================== 17:30:44 (1746135044)
striped dir -i1 -c2 -H all_char /mnt/lustre/d101b.sanity

0.967598s, 8.66952MB/s
Read-ahead success for size 8192

0.923082s, 9.08761MB/s
Read-ahead success for size 16384

0.905497s, 9.26409MB/s
Read-ahead success for size 32768

0.920628s, 9.11183MB/s
Read-ahead success for size 65536

0.808258s, 10.3786MB/s
Read-ahead success for size 131072

0.912762s, 9.19036MB/s
Read-ahead success for size 262144

0.840059s, 9.98574MB/s
Read-ahead success for size 524288

0.668583s, 12.5468MB/s
Read-ahead success for size 1048576